Infrared lamps are devices that emit infrared radiation, which is a type of electromagnetic radiation. They are commonly used for heating purposes, as the infrared rays can penetrate the skin and warm the body directly. These lamps are often found in medical settings for pain relief, as well as in homes for heating outdoor spaces. In addition to their heating applications, infrared lamps are also used in various industries, such as drying paint or curing materials. They come in different forms, including handheld units and larger fixtures, and can be powered by electricity or gas.